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carbon ink

An ink and carbon technology, applied in the direction of ink, household appliances, applications, etc., can solve the problems of bonding force, general anti-smudge and diffusion ability, oxidation resistance, poor durability, poor writing performance, etc., and achieve extended intermittent writing. The effect of time, anti-smudge and stability improvement

Active Publication Date: 2021-10-15
常州博疆新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the process of using carbon ink, there are still some defects: after drying, the binding force with paper, anti-smudge and diffusion ability are average; it is easy to block the pen after long-term use; the oxidation resistance and durability are poor; Difference

Method used

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Experimental program
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Effect test

Embodiment 1-9

[0068] According to the raw material components and content listed in Table 1, prepare as follows:

[0069] Step 01, adding water into the stirring tank to start stirring, then adding carbon black, pigment, and humectant into the stirring tank and stirring;

[0070] Step 02, adding sodium hydroxide into the stirring tank, and after stirring evenly with the above-mentioned materials, adjust the pH value of the system;

[0071] Step 03, grind the material obtained in step 02, and take samples during the grinding process, so that the particle size of the carbon black particles meets the preset conditions, stop grinding, and discharge the materials for later use; the preset conditions are: the particle size of the particles after grinding Diameter ≤ 1 micron, the carbon black with a diameter of 0.4 to 0.5 microns in the carbon black accounts for more than 80% of the total weight of carbon black, and the particle size distribution is <1.5; the carbon black with a diameter of 0.5 to...

Embodiment 10-12

[0077] On the basis of embodiment 9, wetting agent, stabilizer and binder are also added in the carbon ink, and the specific types and contents are as shown in table 2. The total amount of raw materials in this embodiment is 100 parts by weight, and the balance is water, prepared as follows.

[0078] Step 01, add water into the stirring tank and start stirring, then add carbon black, blue pigment, binder, wetting agent, and humectant into the stirring tank and stir;

[0079] Step 02, adding sodium hydroxide into the stirring tank, and after stirring evenly with the above-mentioned materials, adjust the pH value of the system;

[0080] Step 03, grind the material obtained in step 02, and take samples during the grinding process, so that the particle size of the carbon black particles meets the preset conditions, stop grinding, and discharge the materials for later use; the preset conditions are: the particle size of the particles after grinding Diameter ≤ 1 micron, the carbon ...

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Abstract

The carbon ink provided by the present invention, based on the total weight of 100 parts by weight, contains the following components: carbon black: 5-20 parts by weight; pigment: 0.01-10 parts by weight; moisturizing agent: 2-10 parts by weight; Sodium: 0.01 to 1 part by weight; water: the balance. The carbon ink of the present invention has good water resistance, diffusion ability, and anti-blooming degree, can achieve the purpose of rapid absorption, volatilization, and drying, and can also be better combined with paper. Anti-volatile organic compounds, lead chromium in the ink The content is low, which improves the safety of the ink use process and can give the writer a better writing experience.

Description

technical field [0001] The invention relates to a carbon ink. Background technique [0002] Carbon ink is a kind of black ink. The main component of carbon ink is carbon. Since carbon is chemically stable at normal temperature and pressure, it is not easy to react with other substances, so the text written in carbon ink is easy to save. Not easy to fade. [0003] However, in the process of using carbon ink, there are still some defects: after drying, the binding force with paper, anti-smudge and diffusion ability are average; it is easy to block the pen after long-term use; the oxidation resistance and durability are poor; Difference. Contents of the invention [0004] The object of the present invention is to provide a carbon ink in order to solve the above-mentioned problems in the prior art. [0005] Carbon ink provided by the present invention, with total weight being 100 parts by weight, contains the following components: [0006] Carbon black: 5-20 parts by weigh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/17
CPCC09D11/17
Inventor 李勇锋张俊超春胜利
Owner 常州博疆新材料科技有限公司
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